diff --git a/blast/parallel_BLAST/LA_Wrapper b/blast/parallel_BLAST/LA_Wrapper
index 6f5d92443cd0d256eca7c212b576080ded874c57..3bb07c48a2400698cc355dddf78ec768075207ef 100755
--- a/blast/parallel_BLAST/LA_Wrapper
+++ b/blast/parallel_BLAST/LA_Wrapper
@@ -175,10 +175,14 @@ credits()
 {
         echo "The original implementation (2013/2014) was written by Christoph Martin (ZDV, UNIX group)"
         echo "Benjamin Rieger (Institut für Molekulargenetik) contributed a perl implementation"
-        echo "of a format conform splitting of FASTA files."
+        echo "of a format conform splitting of FASTA files, which is not used, anymore."
         echo "The original implemenation was a LSF chain job. It was eventually adopted and maintained by"
         echo "Christian Meesters (ZDV, HPC group) from 2017 onwards."
         echo 
+        echo "I am particularly grateful for their feedback to:"
+        echo "- Lukas Hellman (AG Hankeln)"
+        echo "- Benjamin Rieger (NGS Facility)"
+        echo 
         echo "History of the re-implementation:"
         echo "- v0.1   -- 27. Sep. 2017 -- release of the re-implementation for SLURM supporting the"
         echo "                             ability to compute accross nodes."
@@ -201,7 +205,7 @@ credits()
         echo "- v0.3.2 -- 16. Jan. 2019 -- hot fix for new ramdisk and slurmstepd support"
         echo "- v0.4   -- 06. Mar. 2019 -- refactored version:"
         echo "                             - executables now pluggable"
-        echo "- v0.5   -- 17. Aug. 2019 -- fix: parser did not work for '--mem'-arg properly"
+        echo "- v0.5   -- 21. Aug. 2019 -- fix: parser did not work for '--mem'-arg properly"
         echo "                             update: - clearer UI"
         echo "                                     - better default memory settings"
         echo "                                     - faster stage-in for reference data"
@@ -494,10 +498,10 @@ if [ $_arg_splitup_per_queryfile -ne 0 ]; then # the user thinks differently?
         error "There would be more than '$nsplits' files in scratch."
         exit 1
     elif [ $nsplits -gt 15000 ]; then
-        warning "There will be '$nsplits' files in scratch."
+        warning "There will be '$nsplits' files in scratch -- resulting in poor performance."
     fi
 else # infer the value 
-    _arg_splitup_per_queryfile=$((nentries / 10000))
+    _arg_splitup_per_queryfile=$((nentries / 5000))
 fi
 
 # default values, see: